Did commercial farming replace subistence farming in texas

After the civil war, there was an emergence of southern farm tenancy, a system of near slavery without legal sanctions with tenant farmers in place of slaves. ... The number of farms in Texas rose from about 61,000 in 1870 to around 174,000 in 1880 and 350,000 by 1900 where farm and ranching enterprises expanded rapidly.

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.